CVE-2026-55686
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
A vulnerability in Podman from version 3.0.0 to 5.7.1 allows, by running a malicious container image where the WORKDIR path contains a symlink, to create a directory or modify ownership on the host filesystem. Ownership modification is less likely as it requires help from an untrusted process to trigger a race condition.
Risk Assessment
An attacker can gain unauthorized access to the host filesystem, potentially creating directories or modifying permissions, which could lead to privilege escalation or system integrity compromise.
Recommendation
Immediately update Podman to version 5.7.1 or later, which includes a fix for this vulnerability.
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Original NVD description (English source)
Podman is a tool for managing OCI containers and pods. From 3.0.0 until 5.7.1, running a malicious container image where the WORKDIR path contains a symlink can create a directory or modify ownership on the host filesystem. Modified ownership is less likely to happen as that requires help from an untrusted/malicious process that mutates the host filesystem tree during dereferencing of the WORKDIR path, to trigger a race condition. This vulnerability is fixed in 5.7.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

